Improve this answer. If it is possible to ensure the file to be a directory then that, too, probably would not play nicely with the effect of the Exec. STILL REALLY WEIRD, but ok. exec { 'chage': path => '/usr/bin/', command => 'chage -d 0 askar', subscribe => File ['askar'], refreshonly => true, } } I then verified that after applying the refreshonly parameter , the. Sep 13, 2012 at 15:51. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. Share. This means you. NORTHWEST LIBRARY FEDERATION. e. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. I want to check if the file exists in the client. An exec resource, which starts a powershell script, which starts a PowerShell process, which starts a CMD process, which runs a batch file (with an invalid path), which runs another batch file, which processes some kind of response file. The Puppet “exec” resource allows users to run commands and scripts on nodes. But you really need something like an onlyif or unless or this is going to execute every 30 minutes and that breaks the idempotent rule we try and apply with Puppet code where things. check that the node can communicate with the puppetmaster on the relevant port. Note that Puppet was not really designed to solve automation problems like this one, although using Exec it is possible to do most things anyway. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. In any given case, you should use whichever approach makes sense. exe create MyService start= auto binPath= "C:path oyour. Let's also assume that you're puppet module knows when do delete these files. 1. exec command unless directory exists in puppet. If you can modify the Puppet manifest(s) you can simply add the following definition for setting a default path attribute for all Exec resources to /bin: Exec { path => "/bin" } err: Failed to apply catalog: Parameter unless failed on Exec[mkdir_autostart]: '[ -d /home/pi/. 0. Adds a new exec provider for executing PowerShell commands. indicates that the shell tried to execute '3' as a command, and, unsurprisingly, did not find it. As a suggestion:I am using Puppet installed with the powershell module. I can do something like: file { '/tmp/wehavepostfix': ensure => file, content => "foobar", require => Package ['postfix'], } However, this requires something like:With PE, run puppet task run exec command="df -h" --nodes neptune. Puppet File resource runs despite Exec unless. Share. All modules; Supported modules; Modules with tasks; Contribute. 2 or later for the pip3 provider, what is an alternative approach to installing Python packages by hand via the 'pip3' command? If I use the 'exec' approach, how do I control the package from being reinstalled all the time? (i. Adds a new exec provider for executing PowerShell commands. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. Exec type's onlyif and unless in --noop documented. wow! My recommendation is: throw it away and start over. Puppet Coding Style - In Puppet, the coding style defines all the standards which one needs to follow while trying to convert the infrastructure on the machine configuration into a code. unless => "powershell. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n ${lxcname} >/dev/null. However the in function seems to work with if only, when I use unless I get the following e. To run tasks with Puppet Bolt, Bolt 1. Puppet: how to remove a directory and everything in it. I am creating a group named jboss in puppet and then using exec to run a sed command to make some changes in /etc/group file afterwards. 1. log. Please qualify the command or specify a path. exe -NoProfile -NoLogo . I'm not sure what the problem is, and I need more information. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. There are a number of parameters you can set. The command should only be run as a refresh mechanism for when a dependent object is changed. config/autostart ]' is not qualified and no path was specified. properties. 1. 4. Publish a module; Topics. This means that if a file is currently a directory,. This can be used with bash on Linux,. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. Modules that are supported by Puppet, Inc. So on a fresh installation, a refresh event will be received but the resource will. The Puppet “exec” resource allows users to run commands and scripts on nodes. Chaining arrows. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. This will cause puppet to. Having chosen an Exec instead, it was unnecessary to introduce sudo into the command. Let's assume that you can write a find command to list all of your files that you want deleted. Improve this answer. Adding a / to the end of a file name isn't enough to tell puppet to. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. There are a few important parameters to use when writing an exec resource with PowerShell. You can validate that a manifest's syntax is correct by using the command puppet parser validate. How would the watchdog service know the Puppet exec failed? I don't want to remove the dir or run the exec if the directory does exist and the first exec was completed successfully. . 2 but are only using architecture-appropriate. Glossary. Puppet reboot in stages. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. The generic way for "manually" creating a service in Windows is to use the sc. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsTechnically, in fact, you cannot do so: Puppet will interpolate the variable's value into the Exec resource's catalog representation, so there is no variable left by the time the catalog is applied, only a literal. Onlyif and unless are somewhat similar as they serve as conditional operators in Puppet which means the command runs based on the output of what is in these parameters. Puppet advanced default params. Puppet Exec resource to apply only when a File changes. When evaluated, these tagged expressions can modify text in the template. g. The command parameter is the PowerShell code you want to run on your node. exe invocation as the command. With respect to the update to the question, the key requirement for the Service to be refreshed before the Exec is applied is that there be an ordering relationship between the two, whether direct or transitive. Sends an arbitrary message, specified as a string, to the agent run-time log. Puppet File resource runs despite Exec unless. This can be used with bash on Linux,. 1. Your exec will run only if pgrep returns 0. If executed as root, the lxc-info checks for the name among the root containers. I have a script that really only needs to be run one time on a server, i. Expressions are statements that resolve to values. Puppet provides a built-in exec type that is capable of executing commands. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. Puppet is about describing state and making sure things only have to run once. telnet < puppetmaster ip address dns name> 8140. # Setting Powershell Execution Policy to. 0. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. ##Development. In other words, if you use standard Puppet relationships to ensure that tooling is managed prior to classes or resources that use the deferred functions using that tooling, then it will operate as expected and the function will execute properly. Although that can work, I urge you to consider instead packaging up your service (as an RPM, DEB, or whatever is appropriate for your system), putting it in a suitable repository, and managing its installation via a Package resource. 0 or later must be installed on the machine from which you are running task commands. The command should only be run as a refresh mechanism for when a dependent object is changed. rb in the Puppet source code. I don't think there is an exception handling in a programmatic way you would like in Puppet. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 2. }Puppet: Conditional exec using unless-option. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. I wouldn't use puppet for a yum update, and my execs always have creates, onlyif, refreshonly or unless to ensure they only run when needed. Tags. 0\powershell. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Do you have reason to think that there's something wrong with. Important: This API has severe problems — most notably, functions that use it will leak between environments. Since Puppet uses the same exec resource type on both *nix and Windows systems, there are a few Windows-specific caveats to keep in mind. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. To run an exec task, use the task command, specifying the command to be executed. 1. lst contents. 12 behavior got changed to match the intention. Follow answered Jan 12, 2015 at 6:48. 0. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. Setting the umask only has effect within the process that does it (see umask in sys/stat. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. config/autostart ]' is not qualified and no path was specified. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. exec command unless directory exists in puppet. And as for the title of this question which I originally overlooked. The 'unless' and/or 'ifonly' commands must run every time, though. In the modified question, the resources involved have such a relationship already. asked Apr 1, 2022 at 20:47. Conversations. Please qualify the command or specify a path. All groups and messages. PUP-11199. The Win32 APIs define exit. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. , for example, the Exec resource being. I am struggling with how to pass a puppet variable through to powershell. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. The default behavior is to report the exit code only for the last command in the pipeline. There are times when you have a complex script that you just need to get into configuration management. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. Puppet: 'creates' does not create. Aside from being good. Modules. Puppet uses the same exec resource type on both *nix and Windows systems, and there are a few Windows-specific best practices and tips to keep in mind. 1. They take a control expression and a list of cases and code. Puppet File resource runs despite Exec unless. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. If /etc/init. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Node examples. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. Puppet File resource runs despite Exec unless. Puppet: Exec from class when Exec from another class is successful. How do I make make puppet module break if condition not met. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Their exit codes convey whether to proceed with running the main command. How can I tell Puppet to stop a service on shutdown without keeping it running? 0. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 163k 8 82 159. We will focus on the language terminology, syntax and. Usage. JULY . puppet agent -td --evaltrace --profile > agent_debug. "Unless" statements work like reversed if statements. if statement, using expressions and facts. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. The exec resource from Puppet, the automation framework, is a mysterious beast. 0. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. 2. onlyif and unless in --noop documented. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. cmd. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. 2. In your case, the Exec is always successfully applied. exec {'rename-guest': command => '(Get-WMIObject Win32_UserAccount -Filter "Name='guest'"). Try checking the puppet master log at /var/log/puppetmaster. If Puppet is managing the user that an exec should. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. ;) – ferventcoder. supported Adds a new exec provider for executing PowerShell commands. Modules that are supported by Puppet, Inc. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. If this parameter is set, then this exec will only run if the command has an exit code. If the query specified in the unless parameter returns one or. , unless you really intend to resolve that path against the working directory. 2. 0 through 3. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Sort by Year. 1. 2. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). Puppet exec unless doesn't appear to work how I expect. So in. Detecting if windows service is already installed using puppet exec. Plans are sets of tasks that can be combined with other logic. Purging resources in Puppet requires two conditions: a type which supports listing instances (at least one provider has a self. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. you should get something like -. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. I will show how these work in the example below. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. Iteration functions. Adds a new exec provider for executing PowerShell commands. 1. You should never use this API unless you absolutely must support Puppet 3. If executed as root, the lxc-info checks for the name among the root containers. See “Case Matching” below for details on how Puppet matches different kinds of cases. How to clean up files created by Exec resources? 0. Puppet exec unless doesn't appear to work how I expect. Adds a new exec provider for executing PowerShell commands. If the path isn’t set, you must fully qualify the command’s name. exe -executionpolicy remotesigned -file C:\test. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. 1. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. Thanks!. When using cmd. Puppet strange behaviour of execs. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. Your fact could be something like this: #!/bin/bash if [ -f /my/file. Local user accounts are often desirable for isolating applications requiring unique permissions. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. It looks like you're having Puppet execute a shell script to perform the installation. Puppet: How to execute a Exec resource if another Exec resource failed. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. The problem also happens to my start command which also use bundle exec: after puppet finished dea_ng::install and run dea_ng::service, the command below did not work unless I execute it manually on the client machine. Rename("new-guest")', unless => 'if (Get-WmiObject. code. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. sh', onlyif => systemctl service_trendmicro, # which system should return. . Puppet - How to purge a directory. Puppet strange behaviour of execs. if you want execute a powershell file:. The 'refreshonly' parameter, on the other hand, makes application of the Exec conditional on (and subsequent to) one or more other resources changing, sort of like an 'on update' trigger in a database. puppet and I'm running into some issues. This allows you to do more complex task operations, such as. 0. Classes generally configure large or medium-sized chunks of functionality, such as all of. Over the years of using puppet I've noticed that people often come up with the same kind of. When using Puppet APIs to load file content and metadata, you can access files in the scripts/ directory of a module using the scripts file mount. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. It would be better to explicitly "exit 0" whenever you do not "exit 1". One thing that you can do (and I don't recommend) and that is not "puppet way" is following:If you want to specify to take a given action if file exists, if file doesn't exist etc. The logic looks a little confusing but basically, the way I understand unless is that if the command returns a 0, then the whole exec wont be run. With PE on the command line, run puppet task run exec command=<COMMAND>. Connect and share knowledge within a single location that is structured and easy to search. Expand. If the file does not exist then the Exec succeeds without running /bin/true. When I apply the manifest for the first time, it works correctly. Any recommendations on running. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. I do not account that a bug, however, as (1) it's probably more useful behavior, and (2) it's consistent with the example in the docs. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. 3. ##Limitations. The cis_security_hardening module has a parameter enforce for each rule. Adds a new exec provider for executing PowerShell commands. 0. All groups and messagesConditional execution of puppet defined resource type through exec. In particular, if you ensure the file absent then it is probably incorrect for the Exec to be triggered when the file is brouught into that state. This module is particularly helpful if you need to run PowerShell commands but don't know how PowerShell is executed, because you can run PowerShell commands in Puppet without the module. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Modules that are supported by Puppet, Inc. Then, you can install the Nuget package via the package resource in Puppet. You may need to reboot the system after enabling if SELinux was. Discover. See provider/exec. I am currently learning puppet, and I am attempting to have an exec that will notify another exec but only if the first exec is succsfull. Puppet : How to use "defined" type as requirement inside exec. Since moving to Puppet 5. The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. Since Puppet 2. One way is to use custom fact but that gets a bit too complicated as it requires ruby knowledge and custom facts execute on each and every server. Puppet File resource runs despite Exec unless. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. You can use Puppet variables in an EPP template to customize its output. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. 2) that no other resource is set to 'notify' Exec ['command_two']. How to pass multiple values in exec command resource in puppet? 0. Juan. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. exe and specifying a file path in the command line, be sure to use backslashes. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. e. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. Unless you are sharing with the world, you don’t need most. Only supported on Windows Server 2003 and above, and Windows 7 and above. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. 12, but from 5. 4. Check your syntax by entering puppet parser validate c:\myfiles\file. The baseline measures how long Puppet takes to just start up, so it’s not even executing powershell then. From the puppetlabs docs: The noop metaparameter allows you to apply individual resources in noop mode, and will override the global value of the noop setting. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. 0. = (assignment) Expand. Adds a new exec provider for executing PowerShell commands. PUP-11199. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. For. Selector statement. The way I check this is if the gopher user has the default uid of 13. --Puppet::Type. The Puppet exec will not run unless the "unless" command exits with status 0. . First I would like to use booleans as defined in Hiera [ auto lookup function ]. I am new to Puppet, and I am trying to install a file if a package is installed. Puppet does not know about the files which are been modified by the shell script. Since I don't have Puppet 4. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Hot Network Questions To find rate of change of area of triangle when rate of change and value of length of base and height are 3cm/min, 5cm/min and 8cm,10cm respectively. The difference between platform engineering and DevOps is pretty nuanced. 7. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. exec. d directory, then puppet agents pull it down and execute it on every run and provide the fact. txt 2>&1. For detailed information about built-in types, see the Resource type reference. Note: These two behaviors should not be mixed for a given class. 0powershell. You can use these special values to examine a piece. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. The logoutput parameter just logs the output to the. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. newtype (:yumgroup) do @doc = "Manage Yum groups A typical rule will look like this: yumgroup { 'Development tools': ensure => present, } " ensurable newparam (:name) do isnamevar desc 'The name of the group' end end. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. On reboot, the directory doesn't exist, strangely enough. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. Puppet Exec with no command attribute. supported Adds a new exec provider for executing PowerShell commands. 1. 17 also improves the way typed class parameters are checked. This part of the series will walk you through the process of automating server provisioning using Puppet, a popular configuration management tool capable of managing complex infrastructure in a transparent way, using a master server to orchestrate the configuration of the nodes. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. Puppet is an amazingly powerful and flexible tool. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. With Bolt on the command line, run bolt task run exec command=<COMMAND>. Puppet avoids destroying directories unless the force attribute is set to true. Puppet Exec with no command attribute. Because the same concept underlies these different forms of conditional logic available in Puppet, we'll only cover the if statement in the tasks for this quest. The service will detect it is not running and start itself if required. ) I am running Puppet v3. Puppet can execute binaries (exe, com, bat, etc. And if you do intend to resolve it as a. All groups and messagesCreate A Puppet Configuration File. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. Connect and share knowledge within a single location that is structured and easy to search. My notes on how to make it work for complex multi-exec configurations. I don't think there's something built into Puppet. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. e. Try again and this time show the failure. I need puppet to execute a script that is inside an installed app. You can use expressions almost anywhere a value is required. how do I tell 'puppet apply' that the package is already installed) But you really need something like an onlyif or unless or this is going to execute every 30 minutes and that breaks the idempotent rule we try and apply with Puppet code where things only change if they need correcting. The Puppet “exec” resource allows users to run commands and scripts on nodes. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. 0 on RHEL 6 and am doing package management via the exec resource. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. Discover. 6.